You can always just undervolt the cpu and take out the gpu. Sure, a 1000w power supply is going to be inefficient at 20% draw, but if you already have old hardware it isn’t always cost effective to replace it just because of a higher power draw.
Also the pi is great for stuff like dns and network storage, but it’s going to struggle with transcoding as a media server. I can’t speak for the 5 from personal experience, but the 4 was completely incapable as a jellyfin/plex server. I just use an old stripped down computer for media and the pi is relegated to dns adblocking.
You can always just undervolt the cpu and take out the gpu. Sure, a 1000w power supply is going to be inefficient at 20% draw, but if you already have old hardware it isn’t always cost effective to replace it just because of a higher power draw.
Also the pi is great for stuff like dns and network storage, but it’s going to struggle with transcoding as a media server. I can’t speak for the 5 from personal experience, but the 4 was completely incapable as a jellyfin/plex server. I just use an old stripped down computer for media and the pi is relegated to dns adblocking.